<template>
    <transition name="move">
        <div class="food" v-show="showFlag" ref="food">
            <div class="food-content">
                <div class="image-header">
                    <img :src="food.image">
                    <div class="back" @click="hide">
                        <i class="icon-arrow_lift"></i>
                    </div>
                </div>
                <div class="content">
                    <h1 class="title">{{food.name}}</h1>
                    <div class="detail">
                        <span class="sell-count">月售{{food.sellCount}}份</span>
                        <span class="rating">好评率{{food.rating}}%</span>
                    </div>
                    <div class="price">
                        <span class="now">￥{{food.price}}</span><span class="old" v-show="food.oldPrice">￥{{food.oldPrice}}</span>
                    </div>
                    <div class="cartcontrol-wrapper">
                        <CartControl :food="food" @add="addFood"></CartControl>
                    </div>
                    <transition name="fade">
                        <div @click.stop.prevent="addFirst" class="buy" v-show="!food.count || food.count === 0">加入购物车</div>
                    </transition>
                </div>
                <Split v-show="food.info"></Split>
                <div class="info" v-show="food.info">
                    <h1 class="title">商品信息</h1>
                    <p class="text">{{food.info}}</p>
                </div>
                <Split></Split>
                <div class="rating">
                    <h1 class="title">商品评价</h1>
                    <RatingSelect
                        :selectType="selectType"
                        :onlyContent="onlyContent"
                        :desc="desc"
                        :ratings="food.ratings"
                        @select="selectRating"
                        @toggle="toggleContent">
                    </RatingSelect>
                    <div class="rating-wrapper">
                        <ul v-show="food.ratings && food.ratings.length">
                            <li v-show="needShow(rating.rateType,rating.text)" v-for="rating in food.ratings" class="rating-item border-1px">
                                <div class="user">
                                    <span class="name">{{rating.username}}</span>
                                    <img :src="rating.avatar" class="avatar" width="12" height="12">
                                </div>
                                <div class="time">{{rating.rateTime | formateDate}}</div>
                                <p class="text">
                                    <span :class="{'icon-thumb_up':rating.rateType===0,'icon-thumb_down':rating.rateType===1}"></span>{{rating.text}}
                                </p>
                            </li>
                        </ul>
                        <div class="no-rating" v-show="!food.ratings || !food.ratings.length">暂无评价</div>
                    </div>
                </div>
            </div>
        </div>
    </transition>
</template>

<script type="text/ecmascript-6">
import BScroll from 'better-scroll'
import Vue from 'vue'
import {formateDate} from '@/common/js/date'
import CartControl from '@/components/CartControl/CartControl'
import RatingSelect from '@/components/RatingSelect/RatingSelect'
import Split from '@/components/Split/Split'

const ALL = 2

export default {
    props : {
        food : {
            type : Object
        }
    },
    data () {
        return {
            showFlag : false,
            selectType : ALL,
            onlyContent : true,
            desc : {
                all : '全部',
                positive : '推荐',
                negative : '吐槽'
            }
        }
    },
    methods : {
        show () {
            this.showFlag = true
            this.selectType = ALL
            this.onlyContent = true
            this.$nextTick(() => {
                if(!this.scroll) {
                    this.scroll = new BScroll(this.$refs.food, {
                        click : true
                    })
                } else {
                    this.scroll.refresh()
                }
            })
        },
        hide () {
            this.showFlag = false
        },
        addFirst (event) {
            if (!event._constructed) {
                return
            }
            this.$emit('add', event.target)
            Vue.set(this.food, 'count', 1)
        },
        addFood (target) {
            this.$emit('add', target)
        },
        needShow (type, text) {
            if (this.onlyContent && !text) {
              return false;
            }
            if (this.selectType === ALL) {
              return true;
            } else {
              return type === this.selectType;
            }
        },
        selectRating (type) {
            this.selectType = type
            this.$nextTick(() => {
                this.scroll.refresh()
            })
        },
        toggleContent () {
            this.onlyContent = !this.onlyContent
            this.$nextTick(() => {
                this.scroll.refresh()
            })
        }
    },
    filters: {
      formateDate (time) {
        let date = new Date(time);
        return formateDate(date, 'yyyy-MM-dd hh:mm');
      }
    },
    components : {
        CartControl,
        Split,
        RatingSelect
    }
}
</script>

<style lang="stylus" rel="stylesheet/stylus">
@import '../../common/stylus/mixin'

.food
    position : fixed
    left : 0
    top : 0
    bottom : 48px
    z-index : 30
    width : 100%
    background : #fff
    transform : translate3d(0, 0, 0)
    &.move-enter-active, &.move-leave-active
        transition : all 0.2s linear
    &.move-enter, &.move-leave-active
        transform : translate3d(100%, 0, 0)
    .image-header
        position : relative
        width : 100%
        height : 0
        padding-bottom : 100%
        img
            position : absolute
            top : 0
            left : 0
            width : 100%
            height : 100%
        .back
            position : absolute
            top : 10px
            left : 0
            .icon-arrow_lift
                display : block
                padding : 10px
                font-size : 20px
                color : #fff
    .content
        position : relative
        padding : 18px
        .title
            line-height : 14px
            margin-bottom : 8px
            font-size : 14px
            font-weight : 700
            color : rgb(7,17,27)
        .detail
            margin-bottom : 18px
            line-height : 10px
            height : 10px
            font-size : 0
            .sell-count, .rating
                font-size : 10px
                color : rgb(147,153,159)
            .sell-count
                margin-right : 12px
        .price
            font-weight : 700
            line-height : 24px
            .now
                margin-right : 8px
                font-size: 14px
                color: rgb(240, 20, 20)
            .old
                text-decoration: line-through
                font-size: 10px
                color: rgb(147, 153, 159)
        .cartcontrol-wrapper
            position : absolute
            right : 12px
            bottom : 12px
        .buy
            position : absolute
            right : 18px
            bottom : 18px
            z-index : 10
            height : 24px
            line-height : 24px
            padding : 0 12px
            box-sizing : border-box
            border-radius : 12px
            font-size : 10px
            color : #fff
            background : rgb(0,160,220)
            opacity : 1
            &.fade-enter-active, &.fade-leave-active
                transition : all 0.2s
            &.fade-enter, &.fade-leave-active
                opacity : 0
                z-index : -1
    .info
        padding : 18px
        .title
            line-height : 14px
            margin-bottom : 6px
            font-size : 14px
            color : rgb(7,17,27)
        .text
            line-height : 24px
            padding : 0 8px
            font-size : 12px
            color : rgb(77,85,93)
    .rating
        padding-top : 18px
        .title
            line-height : 14px
            margin-left : 18px
            font-size : 14px
            color : rgb(7,17,27)
        .rating-wrapper
            padding : 0 18px
            .rating-item
                position : relative
                padding : 16px 0
                border-1px(rgba(7,17,27,.1))
                .user
                    position : absolute
                    right : 0
                    top : 16px
                    line-height : 12px
                    font-size : 0
                    .name
                        display : inline-block
                        margin-right : 6px
                        vertical-align : top
                        font-size : 10px
                        color : rgb(147,153,159)
                    .avatar
                        border-radius : 50%
                .time
                    margin-bottom : 6px
                    line-height : 12px
                    font-size : 10px
                    color : rgb(147,153,159)
                .text
                    line-height : 16px
                    font-size : 12px
                    color : rgb(7,17,27)
                    .icon-thumb_up, .icon-thumb_down
                        margin-right : 4px
                        line-height : 16px
                        font-size : 12px
                    .icon-thumb_up
                        color : rgb(0,160,220)
                    .icon-thumb_down
                        color : rgb(147,153,159)
            .no-rating
                padding: 16px 0
                font-size: 12px
                color: rgb(147, 153, 159)
</style>
